{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2023-40549","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2023-08-15T20:04:15.615Z","datePublished":"2024-01-29T16:29:26.170Z","dateUpdated":"2025-11-20T19:53:36.835Z"},"containers":{"cna":{"title":"Shim: out-of-bounds read in verify_buffer_authenticode() malformed pe file","metrics":[{"other":{"content":{"value":"Moderate","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. 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